Study of the evolution of FeNxCy and Fe3C species in Fe/N/C catalysts during the oxygen reduction reaction in acid and alkaline electrolyte

Authors: Garcia, A; Pascual, L; Ferrer, P; Gianolio, D; Held, G; Grinter, DC; Pena, MGA; Retuerto, M; Rojas, S

Article.
J. Power Sources. vol: 490. page: 0378-7753.
Date: APR 1. 2021.
Doi: 10.1016/j.jpowsour.2021.229487.

Abstract:
The nature and evolution of FeNxCy moieties in Fe/C/N catalysts has been studied by analysing Fe and N environments. TEM and Fe-XAS reveal the presence of FeNx moieties [read more]

Superior electrochemical performance of TiO2 sodium-ion battery anodes in diglyme-based electrolyte solution

Authors: Rubio, S; Maca, RR; Aragon, MJ; Cabello, M; Castillo-Rodriguez, M; Lavela, P; Tirado, JL; Etacheri, V; Ortiz, GF

Article.
J. Power Sources. vol: 432. page: 0378-7753.
Date: AUG 31. 2019.
Doi: 10.1016/j.jpowsour.2019.05.070.

Abstract:
Sodium-ion batteries are considered a promising alternative to lithium-ion batteries due to its low cost and potential applications for large-scale energy storage. In this work, we focus on [read more]

Role of lattice oxygen content and Ni geometry in the oxygen evolution activity of the Ba-Ni-O system

Authors: Retuerto, M; Calle-Vallejo, F; Pascual, L; Ferrer, P; Garcia, A; Torrero, J; Gianolio, D; Fierro, JLG; Pena, MA; Alonso, JA; Rojas, S

Article.
J. Power Sources. vol: 404. page: 0378-7753.
Date: nov-15. 2018.
Doi: 10.1016/j.jpowsour.2018.09.098.

Abstract:
The activity of oxides towards the oxygen evolution reaction (OER) is usually tuned by changing the transition metal components and/or the surface facets. An important [read more]

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